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Finding the Fourth Proportional to 4,922.80, 7,375.49 and 3,357.73

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Solution

The fourth proportional to 4,922.80, 7,375.49 and 3,357.73 is: 5,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.80 : 7,375.49 = 3,357.73 : x
  2. Step 2: Convert to fraction form
    4,922.80/7,375.49 = 3,357.73/x
  3. Step 3: Cross multiply
    4,922.80x = 7,375.49 × 3,357.73
  4. Step 4: Simplify right side
    4,922.80x = 24,764,881.23
  5. Step 5: Solve for x
    x = 24,764,881.23/4,922.80
  6. Step 6: Final answer
    x = 5,030.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.